Explore topic-wise MCQs in Digital Image Processing.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following helps to obtain the number of bits to be used to quantize each pixel.

A. tGray-level slicing
B. tContrast stretching
C. tContouring
D. tBit-plane slicing
Answer» E.
Discussion
2.

In bit-plane slicing if an image is represented by 8 bits and is composed of eight 1-bit plane, with plane 0 showing least significant bit and plane 7 showing most significant bit. Then, which plane(s) contain the majority of visually significant data.

A. tPlane 4, 5, 6, 7
B. tPlane 0, 1, 2, 3
C. tPlane 0
D. tPlane 2, 3, 4, 5
Answer» B. tPlane 0, 1, 2, 3
Discussion
3.

Specific bit contribution in the image highlighting is the basic idea of __________

A. tContrast stretching
B. tBit plane slicing
C. tThresholding
D. tGray-level slicing
Answer» C. tThresholding
Discussion
4.

A contrast stretching result been obtained by setting (r1, s1) = (rmin, 0) and (r2, s2) = (rmax, L 1), where, r and s are gray-values of image before and after processing respectively, L is the max gray value allowed and rmax and rmin are maximum and minimum gray-values in image respectively. What should we term the transformation function if r1 = r2 = m, some mean gray-value.

A. tLinear function
B. tThresholding function
C. tIntermediate function
D. tNone of the mentioned
Answer» C. tIntermediate function
Discussion
5.

When is the contrast stretching transformation a thresholding function, for r and s as gray-value of image before and after processing respectively?

A. tr<sub>1</sub> = s<sub>1</sub> and r<sub>2</sub> = s<sub>2</sub>
B. tr<sub>1</sub> = r<sub>2</sub>, s<sub>1</sub> = 0 and s<sub>2</sub> = L 1, L is the max gray value allowed
C. tr<sub>1</sub> = 1 and r<sub>2</sub> = 0
D. tNone of the mentioned
Answer» C. tr<sub>1</sub> = 1 and r<sub>2</sub> = 0
Discussion